/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.flink.tsfile;

import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.common.typeinfo.Types;
import org.apache.flink.api.java.typeutils.RowTypeInfo;
import org.apache.flink.util.FileUtils;
import org.apache.iotdb.flink.util.TsFileWriteUtil;
import org.apache.iotdb.tsfile.common.conf.TSFileConfig;
import org.apache.iotdb.tsfile.common.constant.QueryConstant;
import org.apache.iotdb.tsfile.read.common.Path;
import org.junit.After;
import org.junit.Before;

import java.io.File;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;

/**
 * Base class of the TsFile connector tests.
 */
public abstract class RowTsFileConnectorTestBase {

    protected String tmpDir;
    protected TSFileConfig config = new TSFileConfig();
    protected String[] filedNames = {
            QueryConstant.RESERVED_TIME,
            "device_1.sensor_1",
            "device_1.sensor_2",
            "device_1.sensor_3",
            "device_2.sensor_1",
            "device_2.sensor_2",
            "device_2.sensor_3"
    };
    protected TypeInformation[] typeInformations =
            new TypeInformation[]{
                    Types.LONG, Types.FLOAT, Types.INT, Types.INT, Types.FLOAT, Types.INT, Types.INT
            };
    protected List<Path> paths =
            Arrays.stream(filedNames)
                    .filter(s -> !s.equals(QueryConstant.RESERVED_TIME))
                    .map(s -> new Path(s, true))
                    .collect(Collectors.toList());
    protected RowTypeInfo rowTypeInfo = new RowTypeInfo(typeInformations, filedNames);

    @Before
    public void prepareTempDirectory() {
        tmpDir = String.join(File.separator, TsFileWriteUtil.TMP_DIR, UUID.randomUUID().toString());
        new File(tmpDir).mkdirs();
        config.setBatchSize(500);
    }

    @After
    public void cleanTempDirectory() {
        File tmpDirFile = new File(tmpDir);
        FileUtils.deleteDirectoryQuietly(tmpDirFile);
    }
}
